package top.kaoshanji.p1ch03a;

import org.apache.hc.core5.http.ContentType;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;

/**
 * 代码清单-p1ch03a-52页a：一个简单的计数器
 * URL访问地址：/simpleCounter
 * @author kaoshanji
 * ^_^
 * create time 2025/4/2 18:52
 */
public class SimpleCounter extends HttpServlet {

    // 这是一个实例属性
    int count = 0;

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        // 设置请求对象的编码
        req.setCharacterEncoding(StandardCharsets.UTF_8.name());

        // 设置响应对象的编码和内容格式
        resp.setContentType(ContentType.TEXT_PLAIN.toString());
        PrintWriter out = resp.getWriter();

        count++;

        out.println("Since loading, this servlet has been accessed " + count + " times.");

    }

}
